#1D59A8#1D59A8

#1D59A8 is a mid, vivid cyan. Relative luminance 0.102; OKLCH L 47.1% C 0.141 H 257.0°. Best body text is #FFFFFF at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#1D59A8
RGB	rgb(29, 89, 168)
HSL	hsl(214, 71%, 39%)
HSV	hsv(214, 83%, 66%)
CMYK	cmyk(82.7%, 47%, 0%, 34.1%)
CIE-LAB	lab(38.26, 10.86, -47.79)
CIE-LCH	lch(38.26, 49.01, 282.81°)
OKLab	oklab(47.09% -0.0316 -0.1373)
OKLCH	oklch(47.09% 0.141 257)
XYZ	xyz(11.1443, 10.2318, 38.4258)
Luminance	0.1023 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D59A8 #A86C1D

analogous

#1D9EA8 #1D59A8 #271DA8

triadic

#1D59A8 #A81D59 #59A81D

tetradic

#1D59A8 #A81D9E #A86C1D #1DA827

square

#1D59A8 #A81D9E #A86C1D #1DA827

split-complementary

#1D59A8 #A8271D #9EA81D

monochromatic

#0B2240 #143D74 #1D59A8 #2875DA #5C97E3

Accessibility & contrast

On white

6.89

#1D59A8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#1D59A8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D59A8

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D59A8	#FFFFFF	#000000	##FFFFFF
##1D59A8	1.00	6.89	3.05	6.89
#FFFFFF	6.89	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E61AB

Deuteranopia (green-blind)

#0454A6

Tritanopia (blue-blind)

#006C78

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #1d59a8;
/* rgb */ color: rgb(29, 89, 168);
/* oklch */ color: oklch(47.1% 0.141 257.0);

Tailwind

colors: {
  custom: {
    50: '#7187c2',
    500: '#1d59a8',
    950: '#000000',
  },
}

SCSS

$custom: #1d59a8;
$custom-light: #7187c2;
$custom-dark: #000000;

JSON

{
  "hex": "#1d59a8",
  "rgb": {
    "r": 29,
    "g": 89,
    "b": 168
  },
  "hsl": {
    "h": 214.101,
    "s": 70.558,
    "l": 38.627
  },
  "oklch": {
    "l": 0.47087,
    "c": 0.1409,
    "h": 257
  },
  "luminance": 0.10233
}

Semantic roles & 50–950 ramp

primary

#1D59A8

secondary

#C7985A

accent

#A03AED

background

#F7F8FC

surface

#EDEFF8

border

#C8CAD1

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #1D59A8

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →